Hussein Nasser

492K subscribers

1K videos

Join me as we discuss various software engineering topics with examples and add fun elements to them. We always try to learn by example here in this educatio...

Latest Videos

Root Cause, Two Decades of Backend Bugs

Socket Management in Backend System Design

The genius of Linux Page Tables

Translation Lookaside buffer

All Kernel Page Faults Explained

Why nobody watches YouTube tutorials anymore

The Cost of Switching to Kernel Mode

Why It took Postgres years to do async

Page Tables The Backend Engineering Show

How HTTP2 frees connections

How Huge Pages Work in Linux

TLS can be slow, this changes the game

Freeing HTTP1.1 Connection

3 hours without DNS caused a day of outage

The state of Direct IO in Postgres

Page Faults The Backend Engineering Show

Postgres 18 Async IO methods

Virtual Memory Areas (VMAs)

The rule of CPU in the Kernel

Why you need to close sockets

Database Synchronous vs Asynchronous IO

What is Virtual memory

How 3 hours with no DNS caused a day of outage

We now know why the DNS failed

The problem with software engineering

HTTP3 over QUIC, HPACK and QPACK

My Database Course

I discuss passion, time management and more

Long Polling - The Backend Engineering Show

Bloat in Databases